| 摘要 |
This invention provides a process for producing 2-chloro-3,3,3-trifluoropropene, comprising: reacting anhydrous hydrogen fluoride with at least one chlorine-containing compound selected from the group consisting of chloropropanes and chloropropenes represented by specific formulas in a gas phase in the presence of a chromium atom-containing fluorination catalyst while heating, the reaction being carried out in the presence of molecular chlorine or with a water content in the reaction system of 300 ppm or less. This invention enables suppression of catalyst deterioration and efficient production of 2-chloro-3,3,3-trifluoropropene in a simple and economically advantageous manner on an industrial scale. |
| 主权项 |
1. A process for producing 2-chloro-3,3,3-trifluoropropene, comprising:
reacting anhydrous hydrogen fluoride with at least one chlorine-containing compound in a gas phase in the presence of a chromium atom-containing fluorination catalyst while heating, the at least one chlorine-containing compound being selected from the group consisting of chloropropanes represented by Formula (1): CXYZCHClCH2A, wherein X, Y, and Z are the same or different and each is F or Cl, and A is a halogen atom, chloropropenes represented by Formula (2): CXYZCCl═CH2, wherein X, Y, and Z are the same or different and each is F or Cl, and chloropropenes represented by Formula (3): CXY═CClCH2A, wherein X and Y are the same or different and each is F or Cl, and A is a halogen atom, and the reaction being carried out in the presence of molecular chlorine. |
